Added support for explicit transactions
Added user-defined columns & filters
Merge branch 'custom-columns'

Conflicts:
	backbone-websql.js
Added missing `options`
Merge branch 'explicit-transactions'
Added package.json
Added `return` in SQLErrorCallback to rollback transaction if necessary
version bump
Merge branch 'update-error-check'

Conflicts:
	backbone-websql.js
Merge branch 'fetch-tests'
Modifications to README
Added test info to readme
Switched tests to mocha
Minor test re-org
Switched to chai assertion lib
Made tests easier to read using idiomatic node JS

- switched to single callbacks
- using async instead of _.after()
Merge remote-tracking branch 'upstream/master'
README update
Merge pull request #13 from CSNW/master

Optional explicit transaction, user-defined columns/filters, mocha tests, transaction rollbacks